UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041511.upa.cvt Date: 1100Z 15 APR 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 15 APR 25 Station: FSSS WMO ident: 63985 Latitude: -4.68 Longitude: 55.53 Elevation: 4.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1010 4 30.6 24.6 70 6.0 26.1 110 3 302.9 306.5 299.0 361.2 19.63 1 1000 91 28.8 23.9 75 4.9 25.2 155 2 302.0 305.4 298.3 358.1 19.00 2 925 781 23.0 20.2 84 2.8 21.0 5 1 302.8 305.8 296.9 351.2 16.32 3 850 1515 18.4 16.8 90 1.6 17.3 225 2 305.4 308.1 296.3 348.2 14.31 4 700 3157 10.4 1.4 54 9.0 5.4 55 4 314.0 315.2 292.6 333.1 6.06 5 500 5890 -3.3 -29.3 11 26.0 -10.5 125 19 329.0 329.2 292.1 331.5 0.68 6 400 7610 -14.1 -46.1 5 32.0 -19.2 105 12 336.7 336.7 293.6 337.3 0.15 7 300 9730 -29.5 -55.5 6 26.0 -31.7 285 10 343.8 343.8 295.3 344.1 0.07 8 250 11000 -40.3 -51.3 30 11.0 -41.1 220 14 346.2 346.2 295.9 346.7 0.14 9 200 12480 -52.5 -64.5 22 12.0 -52.8 210 15 349.6 349.6 296.6 349.8 0.03 10 150 14270 -67.3 -74.3 36 7.0 -67.4 280 10 354.2 354.2 297.5 354.2 0.01 11 100 16630 -79.5 -87.5 25 8.0 -79.5 80 23 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 548.18 mb = 5231.69 m = 17164.12 ft Wetbulb zero: 632.10 mb = 3985.70 m = 13076.29 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 55.78 % Est. max temperature: 32.78 C = 91.01 F Sfc-Lift cond lev (LCL): 926.51 mb = 766.58 m = 2514.98 ft T: 23.12 C 700-500 lapse rate: 5.01 C/km ThetaE index: 29.69 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 886.91 mb = 1145.98 m = 3759.73 ft Mean mixing ratio: 17.57 g/kg Conv temperature: 31.84 C = 89.31 F Cap Strength: 0.87 C Lifted Index: -1.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.56 C Lifted Index @700 mb: -1.40 C Showalter Index: 0.31 C Risk: Thunderstorms probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.10 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 224.60 Risk: None Energy Index: -3.18 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1184.38 J/kg Max Up Vert Vel: 48.67 m/s Conv Inhibition (B-): 8.80 J/kg Cap Strength: 0.87 C Lift Cond Lev (LCL): 908.14 mb = 940.66 m = 3086.11 ft Lev Free Conv (LFC): 863.14 mb = 1381.81 m = 4533.45 ft Equ Level (EL): 143.14 mb = 14542.37 m = 47710.61 ft B at Equ Level: 1162.40 J/kg Wind level data Storm motion: 144 at 5 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1010 4 110 3 -2.8 1.0 | 355 3 0.3 -3.2 1 1000 91 155 2 -0.8 1.8 | 317 3 2.2 -2.4 2 925 781 5 1 -0.1 -1.0 | 330 6 3.0 -5.2 3 850 1515 225 2 1.4 1.4 | 302 5 4.5 -2.8 4 700 3157 55 4 -3.3 -2.3 | 2 6 -0.2 -6.5 5 500 5890 125 19 -15.6 10.9 | 118 14 -12.5 6.7 6 400 7610 105 12 -11.6 3.1 | 83 9 -8.5 -1.1 7 300 9730 285 10 9.7 -2.6 | 298 14 12.7 -6.8 8 250 11000 220 14 9.0 10.7 | 242 14 12.1 6.5 9 200 12480 210 15 7.5 13.0 | 230 14 10.6 8.8 10 150 14270 280 10 9.8 -1.7 | 295 14 12.9 -5.9 11 100 16630 80 23 -22.7 -4.0 | 67 21 -19.6 -8.2 Wind Parameters Mean winds (0-6000m): 113.8 at 6.9 knts Storm direction: 143.8 at 5.2 knts Shear (0-3000m) pos: 0.0 neg: 0.4 tot: 0.4 10-3/s Storm rel Dir Shear (0-3000m): 10.1 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -8.9 tot: -5.4 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 3.1 stream: -0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 341.09 Bulk Shear: 3.47 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 122 2 335 4| 0.0 2.3 2.3| 1.3 -1.7 -0.5 -1.0 -0.17| 4.8 -0.8 1000 114 2 335 4| 0.0 2.1 2.1| 1.3 -4.3 -3.1 -3.1 -0.35| 3.5 -1.3 1500 182 2 310 4| 0.0 1.5 1.5| 1.3 -8.2 -6.9 -4.6 -0.49| 3.3 -1.6 2000 191 2 306 4| 0.0 0.8 0.8| 1.4 -8.7 -7.3 -3.6 -0.42| 3.1 -1.3 2500 164 2 313 3| 0.0 0.1 0.1| 2.8 -8.7 -5.9 -2.4 -0.19| 3.0 -0.6 3000 112 2 343 3| 0.0 0.4 0.4| 3.5 -8.9 -5.4 -1.8 -0.12| 3.1 -0.4 4000 73 3 359 5| 0.4 0.6 1.0| 12.8 -9.2 3.6 0.9 0.10| 3.1 0.3 5000 92 5 23 4| 1.0 0.5 1.5| 30.3 -9.2 21.1 4.2 0.30| 3.2 1.0 6000 114 7 67 4| 1.4 0.4 1.8| 54.6 -10.8 43.8 7.3 0.41| 3.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250415.11.gif